the era of black and white lines patching your commodities containing just prices and model no. has ended , as color barcodes take the front with their high payload and smaller size. Currently laboratory tests have yielded using eight colors, 2,000 binary bytes, or 3,500 alphabetical characters per square inch in its highest density form using a 600dpi business card scanner. This equates to two pages of a novel. The symbol size can be changed to accommodate the differing fidelities of imaging devices. The barcode can be printed using a regular inkjet or laser jet printer.

